package Zuoye4;

class PostGraduate extends Student{
	String guide;
	public PostGraduate() {
		super();
		System.out.println("execute PostGraduate()");
	}

	public PostGraduate(String name,String school, String guide) {
		super(name,school);
		this.guide = guide;
		System.out.println("execute PostGraduate(name,school,guide)");
	}	

}
